Portable audio device



FIG. 1 is a perspective view of a portable audio device showing our new design;

FIG. 2 is a top elevational view showing the design for the portable audio device of FIG. 1;

FIG. 3 is a bottom elevational view showing the design for the portable audio device of FIG. 1;

FIG. 4 is a front elevational view showing the design for the portable audio device of FIG. 1;

FIG. 5 is a rear elevational view showing the design for the portable audio device of FIG. 1;

FIG. 6 is a right side elevational view showing the design for the portable audio device of FIG. 1; and,

FIG. 7 is left side elevational view showing the design for the portable audio device of FIG. 1.

The broken lines shown in the drawings are included for the purpose of illustrating unclaimed portions of the portable audio device and form no part of the claimed design. 

The ornamental design for a portable audio device, as shown and described. 